78505020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1336

約数の個数: 144

約数和(自身を含む): 268369920

約数和(自身を除く): 189864900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1279, 1364, 1395, 1705, 1860, 1980, 2046, 2558, 2790, 3069, 3410, 3837, 4092, 5115, 5116, 5580, 6138, 6395, 6820, 7674, 10230, 11511, 12276, 12790, 14069, 15345, 15348, 19185, 20460, 23022, 25580, 28138, 30690, 38370, 39649, 42207, 46044, 56276, 57555, 61380, 70345, 76740, 79298, 84414, 115110, 118947, 126621, 140690, 158596, 168828, 198245, 211035, 230220, 237894, 253242, 281380, 356841, 396490, 422070, 436139, 475788, 506484, 594735, 633105, 713682, 792980, 844140, 872278, 1189470, 1266210, 1308417, 1427364, 1744556, 1784205, 2180695, 2378940, 2532420, 2616834, 3568410, 3925251, 4361390, 5233668, 6542085, 7136820, 7850502, 8722780, 13084170, 15701004, 19626255, 26168340, 39252510, 78505020]

約数ペア:

[(1, 78505020), (2, 39252510), (3, 26168340), (4, 19626255), (5, 15701004), (6, 13084170), (9, 8722780), (10, 7850502), (11, 7136820), (12, 6542085), (15, 5233668), (18, 4361390), (20, 3925251), (22, 3568410), (30, 2616834), (31, 2532420), (33, 2378940), (36, 2180695), (44, 1784205), (45, 1744556), (55, 1427364), (60, 1308417), (62, 1266210), (66, 1189470), (90, 872278), (93, 844140), (99, 792980), (110, 713682), (124, 633105), (132, 594735), (155, 506484), (165, 475788), (180, 436139), (186, 422070), (198, 396490), (220, 356841), (279, 281380), (310, 253242), (330, 237894), (341, 230220), (372, 211035), (396, 198245), (465, 168828), (495, 158596), (558, 140690), (620, 126621), (660, 118947), (682, 115110), (930, 84414), (990, 79298), (1023, 76740), (1116, 70345), (1279, 61380), (1364, 57555), (1395, 56276), (1705, 46044), (1860, 42207), (1980, 39649), (2046, 38370), (2558, 30690), (2790, 28138), (3069, 25580), (3410, 23022), (3837, 20460), (4092, 19185), (5115, 15348), (5116, 15345), (5580, 14069), (6138, 12790), (6395, 12276), (6820, 11511), (7674, 10230)]